Unknown & Unclassified nonprofits in Maryland

Unknown & Unclassified nonprofits in Maryland. Browse 10,672 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.

Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.

Nonprofit profiles

  1. Severna Park Bpoe 2482 Inc

    EIN 237304860 · Headquarters: SEVERNA PARK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Severna Park Health Association Inc

    EIN 520846790 · Headquarters: SEVERNA PARK, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Severna Park Middle School Music Boosters Inc

    EIN 521183398 · Headquarters: SEVERNA PARK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Sf Foundation Inc

    EIN 526054184 · Headquarters: POTOMAC, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  5. SFPE Educational and Scientific Foundation

    EIN 042701210 · Headquarters: Gaithersburg, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Sgt Preston Ashley Post 228 Rock Hall American Legion

    EIN 521750147 · Headquarters: ROCK HALL, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Shady Grove Recreation Association

    EIN 237221277 · Headquarters: CHEVY CHASE, MD, USA · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  8. Shaggar Science Research and Technology Institute

    EIN 333636245 · Headquarters: Bowie, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  9. Shangazi Mentoring Program Inc

    EIN 813468413 · Headquarters: SILVER SPRING, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  10. Shanti Inc

    EIN 521792372 · Headquarters: Clarksburg, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Sharda Foundation Inc

    EIN 873954445 · Headquarters: UPPER MARLBORO, MD, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  12. Share

    EIN 251391653 · Headquarters: Bethesda, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  13. Share Your Christmas Inc

    EIN 521036283 · Headquarters: Millersville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Share-a-ride International Inc

    EIN 521190723 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  15. Sharing Hearts and Resources for Education Inc

    EIN 134342572 · Headquarters: La Plata, MD, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  16. Sharon Temple 160

    EIN 521354195 · Headquarters: Hagerstown, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  17. Sharp Homeschool Co-op

    EIN 471471889 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  18. Sharperminds Motivating Youth Changes Inc

    EIN 800469212 · Headquarters: Owings Mills, MD, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  19. Sharpsburg Area Emergency Medical Service

    EIN 521106144 · Headquarters: Sharpsburg, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Sharpsburg Lions Club

    EIN 900612707 · Headquarters: SHARPSBURG, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Sharptown Volunteer Fire Departinc

    EIN 521427365 · Headquarters: SHARPTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Sheet Metal Workers Local 100 Scholarship Trust Fund

    EIN 526538598 · Headquarters: SUITLAND, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Sheet Metal Workers' Local 100 Apprenticeship Fund

    EIN 521685484 · Headquarters: CUMBERLAND, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  24. Sheldon & Carol Glusman Foundation Inc

    EIN 521451216 · Headquarters: HUNT VALLEY, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  25. Shelter Animals for Everyone Rescue Inc

    EIN 272370396 · Headquarters: Laurel, MD, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  26. Shelton D Redden Lodge No 139

    EIN 465603559 · Headquarters: Upper Marlboro, MD, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  27. Shema Israel Inc

    EIN 522344387 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  28. Shenzhen American Chamber of Commer

    EIN 824724362 · Headquarters: Sandy Spring, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. Shepherds Clinic Inc

    EIN 521739001 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Sheppard and Enoch Pratt Foundation Inc

    EIN 521357109 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Sherwood Gardens Stratford Green Foundation Inc

    EIN 520821235 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  32. Shiloh Ministries Inc

    EIN 911906729 · Headquarters: Berlin, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  33. Shipley's Choice Swim Club

    EIN 521381918 · Headquarters: MILLERSVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Shipleys of Maryland Inc

    EIN 521317607 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Ships Company Inc

    EIN 522024645 · Headquarters: Pikesville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Shoetan Foundation Inc

    EIN 931403071 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  37. Shore Up Inc P O Box 430

    EIN 520886996 · Headquarters: SALISBURY, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Shores of Calvert Civic Association Inc

    EIN 521087217 · Headquarters: Dunkirk, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  39. Shoresh Inc

    EIN 521664097 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Short Story Book Club Corporation

    EIN 843326207 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  41. Showell Volunteer Fire Department Inc

    EIN 521706528 · Headquarters: Showell, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Shower with Love

    EIN 831924748 · Headquarters: Camp Springs, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  43. Shriners International

    EIN 237320109 · Headquarters: Cumberland, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Shriners International Session of 2028 Inc

    EIN 384372646 · Headquarters: Severn, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Shura Inc

    EIN 521796061 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Shuttle Drivers Association Bwi

    EIN 813614832 · Headquarters: JESSUP, MD, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  47. Si2 Foundation

    EIN 824261167 · Headquarters: Boonsboro, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  48. Sickle Cell Disease Association of America Inc

    EIN 237175985 · Headquarters: Hanover, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Sideling Hill Gun Club West Incorporated

    EIN 800600433 · Headquarters: LaVale, MD, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  50. Sidney Weinman Memorial Foundation Inc

    EIN 521459939 · Headquarters: OWINGS MILLS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  51. Sidsib Foundation

    EIN 844312014 · Headquarters: ELLICOTT CITY, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  52. Siena College PAD Prelaw Chapter

    EIN 271709396 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Sigma Alpha Epsilon Fraternity

    EIN 271386690 · Headquarters: Beltsville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Sigma Alpha Epsilon Fraternity

    EIN 465039467 · Headquarters: Westminster, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  55. Sigma Alpha Epsilon Fraternity

    EIN 474479841 · Headquarters: ROCKVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Sigma Alpha Epsilon Fraternity

    EIN 475361658 · Headquarters: Fruitland, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  57. Sigma Alpha Epsilon Fraternity

    EIN 521960892 · Headquarters: Frostburg, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Sigma Alpha Epsilon Fraternity

    EIN 800161990 · Headquarters: Gambrills, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Sigma Alpha Mu Endowment Fund Inc

    EIN 521763640 · Headquarters: OWINGS MILLS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  60. Sigma Chi Gamma Chi Inc

    EIN 271499492 · Headquarters: Olney, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Sigma Delta Epsilon Graduate Women in Science Inc

    EIN 526055597 · Headquarters: Woodstock, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Sigma Delta Epsilon Graduate Womens Scientific Frat

    EIN 814636513 · Headquarters: Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  63. Sigma Delta Kappa Intercollegiate Law Fraternity

    EIN 521467465 · Headquarters: PASADENA, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Sigma Delta Kappa Law Foundation Inc

    EIN 521584527 · Headquarters: Pasadena, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Sigma Delta Tau Sorority Alpha Theta Chapter

    EIN 520634751 · Headquarters: COLLEGE PARK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Sigma Gamma Rho Sorority

    EIN 392509654 · Headquarters: GWYNN OAK, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Sigma Gamma Rho Sorority - Eta Theta Sigma

    EIN 814248022 · Headquarters: SILVER SPRING, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Sigma Gamma Rho Sorority Inc

    EIN 030595607 · Headquarters: ELLICOTT CITY, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Sigma Gamma Rho Sorority Inc

    EIN 204238067 · Headquarters: WALDORF, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  70. Sigma Gamma Rho Sorority Inc

    EIN 260650537 · Headquarters: NOTTINGHAM, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Sigma Gamma Rho Sorority Inc

    EIN 270193700 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Sigma Gamma Rho Sorority Inc

    EIN 311321561 · Headquarters: RANDALLSTOWN, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Sigma Gamma Rho Sorority Inc

    EIN 311371891 · Headquarters: COLLEGE PARK, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Sigma Gamma Rho Sorority Inc

    EIN 311391169 · Headquarters: BOWIE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Sigma Gamma Rho Sorority Inc

    EIN 365030726 · Headquarters: Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Sigma Gamma Rho Sorority Inc

    EIN 521592349 · Headquarters: LARGO, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Sigma Gamma Rho Sorority Inc

    EIN 521715028 · Headquarters: SILVER SPRING, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Sigma Gamma Rho Sorority Inc

    EIN 526056440 · Headquarters: LANDOVER, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Sigma Gamma Rho Sorority Inc

    EIN 526065456 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  80. Sigma Gamma Rho Sorority Inc

    EIN 526078078 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Sigma Gamma Rho Sorority Inc

    EIN 814630720 · Headquarters: ABERDEEN, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Sigma Gamma Rho Sorority Inc

    EIN 900501267 · Headquarters: SILVER SPRING, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Sigma Gamma Rho Sorority Inc Mu Omicron Sigma Chapter

    EIN 824215575 · Headquarters: Hughesville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Sigma Gamma Rho Sorority Incorporated

    EIN 811409160 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  85. Sigma Lambda Xi Fraternity

    EIN 821898730 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  86. Sigma Nu Fraternity

    EIN 520485214 · Headquarters: COLLEGE PARK, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Sigma Omega Alumni Association

    EIN 873122300 · Headquarters: Clinton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 521381672 · Headquarters: Cumberland, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 596182244 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Sigma Phi Epsilon Fraternity Inc

    EIN 934654801 · Headquarters: COLLEGE PARK, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Sigma Phi Gamma International Sorority Inc

    EIN 300457953 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  92. Sigma Phi Gamma International Sorority Inc

    EIN 520815402 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  93. Sigma Phi Gamma International Sorority Inc

    EIN 521794365 · Headquarters: Fort Washington, MD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  94. Sigma Phi Gamma International Sorority Inc

    EIN 526015341 · Headquarters: Towson, MD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  95. Sigma Phi Gamma International Sorority Inc

    EIN 526056638 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  96. Sigma Phi Gamma International Sorority Inc

    EIN 526056932 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  97. Sigma Tau Gamma Eta Lambda

    EIN 833166425 · Headquarters: COLLEGE PARK, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  98. Sigma Tau Gamma Fraternity

    EIN 871688999 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  99. Sigma Theta Tau Inc

    EIN 311309932 · Headquarters: Salisbury, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Sigma Theta Tau Inc

    EIN 311361607 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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